A factor which would strongly influence a business person to adopt a computer is its
1.Accuracy
2.Reliability
3.Speed
4. All of above
what respect computers are superior to human beings?
1.Diligence
2.Intelligence
3.Both of above
4.None of above
A floppy disk contains
1.Circular tracks only
2.Sectors only
3.Both circular tracks and sectors
4.None of the above
A set of rods where numbers were carved and used for multiplication and division aids is known as
1.Pascaline
2. Napier’s Bones
3.Stepped Reckoner
4.Slide Rule
A small or intelligent device is so called because it contains within it a
1.Computer
2. Microcomputer
3.Programmable
4. Sensor
A term used to describe interconnected computer configuration is
1.Multiprogramming
2.Modulation
3.Multiprocessing
4.Micro program sequence
Any method for controlling access to or use of memory is known
1.Memory map
2.Memory protection
3.Memory management
4.Memory instruction
As compared to the secondary memory the primary memory of a computer is
1.Large
2. Cheap
3.Fast
4.Slow
CAD stands for
1.Computer aided design
2.Computer algorithm for design
3.Computer application in design
4.All of the above
Circular division of disks to store and retrieve data are known as
1.tracks
2.sectors
3.cycles
4.rings
CPU speed of a personal computer is
1.32 KIPS
2.100 KIPS
3.1 MIPS
4.None of these
Each model of a computer has a unique
1.Assembly of a computer
2.Machine language
3.High level language
4.All of the above
Floppy disks are available in
1.Single side single density
2.Single side double density
3.Both of above
4. None of above
For which of the following computers can’t be used?
1.gathering data
2.calculating data
3.comparing data
4.Arranging data
How was the generation of computer classified?
1.by the device used in memory & processor
2. by the speed of computer
3.by the model of the computer
4.by the accuracy of computer
In a punched card system data is processed by a
1.Keypunch machine sorter and posting machine
2.Accounting machine posting machine and billing machine
3. Sorter posting machine and billing machine
4.Accounting machine keypunch machine and sorter
In order to play and hear sound on a computer one needs:
1.a sound card and speakers
2.a microphone
3.all of them required
4. none of them required
In what respect human beings are superior to computers?
1. Diligence
2.Intelligence
3.Slavery
4.Reliability
Artificial Intelligence is associated with which generation?
1.First Generation
2.Second Generation
3. Fifth Generation
4. Sixth Generation
Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes?
1.Home computers
2. Diskless computers
3.Dedicated computers
4.General purpose computers
One of a class of storage device devices that can access storage locations in any order is
1.DTE
2.DASD
3.DDE
4. DDE
Punched cards were first introduced by
1.Powers
2.Pascal
3.Jacquard
4.Herman Hollerith
Seek time is
1. time to position the head over proper track
2.time to position the head over proper sector
3.time to position the head over proper cylinder
4.none of above
Tape speed is measured in
1.Feet per second
2.Inch per second
3.Meter per second
4. Centimeter per second
The actual execution of instructions happens in
1.ALU
2.CU
3.Memory
4.None of above
The capacity of 3.5 inch floppy disk is
1.1.40 GB
2.1.44 GB
3.1.40 GB
4.1.44 MB
The contribution of Konrad Zuse was long ignored because
1.He made the computers secretly
2. his computers were very complicated and it took time for the people to recognize its power
3.of political reasons. He was German.
4.All of the above
The language that the computer can understand and execute is called
1.Machine language
2. Application software
3.System program
4.All of above
The latest PC keyboards use a circuit that senses the movement by the change in its capacitance
1.Capacitance keyboard
2.Mechanical keyboard
3.Qwerty keyboard
4.Dvorak keyboard
The least significant bit of the binary number which is equivalent to any odd decimal number is:
1.0
2.1
3.1 or 0
4.3
The Stepped Reckoner was invented by
1. John Napier
2.William Oughtred
3.Gottfried Leibnitz
4.Blaise Pascal
What is a light pen?
1.Mechanical Input device
2.Optical input device
3.Electronic input device
4.Optical output device
When a key is pressed on the keyboard which standard is used for converting the keystroke into the corresponding bits?
1. ANSI
2. ASCII
3.EBCDIC
4. ISO
Which computer support co-processors?
1. XT computer
2.AT comptuers
3.None of these
4.Both of these
Which converts the user data into machine readable form?
1.Input unit outpu unit control unit
2. central processing unit
3. output unit
4.decoder unit
Which device is required for the Internet connection?
1.Joystick
2.Modem
3.CD Drive
4.NIC Card
Which of the following class of computers can not support multiple users simultaneously?
1. Mainframe Computer
2.Mini Computers
3.Micro Computers
4.All of them can support
Which of the following devices can be sued to directly image printed text?
1.OCR
2. OMR
3.MICR
4.All of above
Which of the following is a programming language?
1.Lotus
2.Pascal
3.MS-Excel
4.Netscape
Which of the following is called low level languages?
1.Machine language
2.Assembly language
3.Both of the above
4.None of above
Which of the following is considered first computer in the world?
1.Z3
2. ABC
3.Mark I
4. None of abobe
Which of the following is not a feature of first generation computers
1.They used vacuum tubes or valves as main electronic component
2.They consumed lots of electricity and produced excessive heat
3.They used machine language and assembly language to program the machine
4.None of above
Which of the following is not a primary storage device?
1.Magnetic tape
2.Magnetic disk
3.Optical disk
4.All of above
Which of the following is not a primary storage device?
1.Magnetic tape
2.Magnetic disk
3.Optical disk
4. All of the above
Which of the following is not electro-mechanical computer?
1.Z3
2.ABC
3.mark I
4. ENIAC
Which of the following memories has the shortest access times?
1.Cache memory
2.Magnetic bubble memory
3.Magnetic core memory
4.RAM
Which statement is valid?
1. 1KB = 1024 bytes
2.1 MB=2048 bytes
3.1 MB = 1000 kilobytes
4.1 KB = 1000 bytes
While inserting a diskette into the diskette drive of a PC the diskette’s label side should face
1.East
2.North
3. South
4.Up
Who invented Analytical engine?
1. Blaise Pascal
2.George Bool
3.Charles Babbage
4.Dr. Herman Hollerith
Who invented punched cards?
1. Charles Babbage
2.Joseph Jacquard
3.Howard Aikin
4.Dr. Herman Hollerith